24 lines
		
	
	
		
			533 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			533 B
		
	
	
	
		
			C
		
	
	
	
| /**
 | |
|  * This file has no copyright assigned and is placed in the Public Domain.
 | |
|  * This file is part of the mingw-w64 runtime package.
 | |
|  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 | |
|  */
 | |
| /*
 | |
|  * Written by J.T. Conklin <jtc@netbsd.org>.
 | |
|  * Changes for long double by Ulrich Drepper <drepper@cygnus.com>
 | |
|  * Public domain.
 | |
|  */
 | |
| 
 | |
| #include <math.h>
 | |
| 
 | |
| long double
 | |
| logbl (long double x)
 | |
| {
 | |
|   long double res = 0.0L;
 | |
| 
 | |
|   asm volatile (
 | |
|        "fxtract\n\t"
 | |
|        "fstp	%%st" : "=t" (res) : "0" (x));
 | |
|   return res;
 | |
| }
 |